1163879 has 2 divisors, whose sum is σ = 1163880. Its totient is φ = 1163878.

The previous prime is 1163873. The next prime is 1163891. The reversal of 1163879 is 9783611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1163879 - 2²⁰ = 115303 is a prime.

It is a super-2 number, since 2×1163879² = 2709228653282, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581939 + 581940.

It is an arithmetic number, because the mean of its divisors is an integer number (581940).

2^1163879 is an apocalyptic number.

1163879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163879 is an equidigital number, since it uses as much as digits as its factorization.

1163879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 1163879 is about 1078.8322390437. The cubic root of 1163879 is about 105.1887459227.

The spelling of 1163879 in words is "one million, one hundred sixty-three thousand, eight hundred seventy-nine".